The Number

1213

One Thousand Two Hundred and Thirteen

In Base 11 Undecimal Is

a0311

The numbers with a 11 subscript use Base 11 Undecimal notation.

For more familiar numbers: See One Thousand Two Hundred and Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1210
a0011
One Thousand Two Hundred and Ten in Base 11 Undecimal
1211
a0111
One Thousand Two Hundred and Eleven in Base 11 Undecimal
1212
a0211
One Thousand Two Hundred and Twelve in Base 11 Undecimal
1214
a0411
One Thousand Two Hundred and Fourteen in Base 11 Undecimal
1215
a0511
One Thousand Two Hundred and Fifteen in Base 11 Undecimal
1216
a0611
One Thousand Two Hundred and Sixteen in Base 11 Undecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.213e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00110852a579316835711

The reciprocal of 1213 in Base 11 Undecimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number a0311 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One thousand two hundred and thirteen is the 198th prime number.   See primes in Base 11 Undecimal

Not A Composite

Composites have more than just these two factors.

One Thousand Two Hundred and Thirteen is not a composite number because it has exactly two factors: One and One Thousand Two Hundred and Thirteen

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one thousand two hundred and thirteen has the following 1 prime factor:

1213
a0311
One Thousand Two Hundred and Thirteen in Base 11 Undecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

a03111 = a0311

Base Conversions

The number one thousand two hundred and thirteen in 35 different bases